Explanation

• DHCP automatically assigns IP addresses to devices.
• It also provides subnet mask, gateway, and DNS information.
• DHCP stands for Dynamic Host Configuration Protocol.

Last verified on 15-01-2026

Explanation

• AI stands for Artificial Intelligence.
• It refers to machines that can think, learn, and make decisions like humans.
• AI is widely used in computers, mobile apps, and robotics.
• It helps in tasks like voice recognition, image detection, and automation.
• This is used in 5th generation computers.

Last verified on 19-04-2026

Explanation

• Full Name: Vinton Gray Cerf
• Known as: Father of Internet
• Born: 23 June 1943
• Major Contribution: TCP/IP protocol development
• Award: National Medal of Technology (1997)

Last verified on 20-06-2026

Explanation

• Shift + F10 displays the Shortcut (Context) Menu, just like a right-click with the mouse.

Additional information:

• Alt + Space → Display the Control Menu
• Alt + F4 → Close the Active Window
• Ctrl + C → Copy
• Ctrl + V → Paste

Last verified on 19-07-2026

Explanation

• Section Break → Different headers, footers, page numbering, or page layout

Additional information:

• Page Break → Starts a new page
• Column Break → Moves text to the next column
• Line Break (Shift + Enter) → Starts a new line without a new paragraph
• Text Wrapping Break → Controls text around objects

Last verified on 19-07-2026

Explanation

• Ctrl + Shift + F6 switches to the previous open document window in MS Word.

Additional information:

• Ctrl + F6 → Next open document window
• Ctrl + Tab → Next document/tab (in some Office applications)
• Ctrl + S → Save document
• Ctrl + P → Print document

Last verified on 19-07-2026

Explanation

• Alt + Shift + F2 opens the "Save As" dialog box in MS Word.

Additional information:

• F12 → Save As
• Ctrl + S → Save
• Ctrl + P → Print
• Ctrl + H → Find and Replace

Last verified on 19-07-2026

Explanation

• Cybercrime is any criminal activity that uses a computer, network, or networked device.

Additional information:

• Fraud: Cybercriminals can use computers to commit fraud, such as credit card fraud
• Identity theft: Cybercriminals can steal identities
• Child pornography: Cybercriminals can traffic in child pornography
• Intellectual property theft: Cybercriminals can steal intellectual property
• Phishing: Cybercriminals can send fraudulent emails to collect sensitive information
• Denial of service attacks: Cybercriminals can launch denial of service attacks (DDOS)
• Cyberterrorism: Cybercriminals can commit cyberterrorism

Last verified on 19-07-2026

Explanation

• Ransomware is malware that encrypts or blocks a user's files and demands a ransom payment to restore access.
• It is one of the most dangerous forms of cyberattacks.
• Victims are usually asked to pay money, often in cryptocurrency.
• Files remain inaccessible until they are decrypted.
• Regular backups help reduce the impact of ransomware attacks.

Last verified on 18-07-2026

Explanation

• The main purpose of DNS (Domain Name System) is to translate domain names into IP addresses.
• It works like an internet phonebook.
• It helps users access websites using easy names instead of numeric IPs.
• Example: google.com → 142.250.190.14

Last verified on 09-06-2026